ClickHouse/tests/ci/cancel_and_rerun_workflow_lambda/app.py
2021-12-22 12:25:16 +03:00

180 lines
6.3 KiB
Python

#!/usr/bin/env python3
from collections import namedtuple
import json
import time
import jwt
import requests
import boto3
NEED_RERUN_OR_CANCELL_WORKFLOWS = {
13241696, # PR
15834118, # Docs
15522500, # MasterCI
15516108, # ReleaseCI
15797242, # BackportPR
}
# https://docs.github.com/en/rest/reference/actions#cancel-a-workflow-run
#
API_URL = 'https://api.github.com/repos/ClickHouse/ClickHouse'
MAX_RETRY = 5
def get_installation_id(jwt_token):
headers = {
"Authorization": f"Bearer {jwt_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.get("https://api.github.com/app/installations", headers=headers)
response.raise_for_status()
data = response.json()
return data[0]['id']
def get_access_token(jwt_token, installation_id):
headers = {
"Authorization": f"Bearer {jwt_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.post(f"https://api.github.com/app/installations/{installation_id}/access_tokens", headers=headers)
response.raise_for_status()
data = response.json()
return data['token']
def get_key_and_app_from_aws():
secret_name = "clickhouse_github_secret_key"
session = boto3.session.Session()
client = session.client(
service_name='secretsmanager',
)
get_secret_value_response = client.get_secret_value(
SecretId=secret_name
)
data = json.loads(get_secret_value_response['SecretString'])
return data['clickhouse-app-key'], int(data['clickhouse-app-id'])
def get_token_from_aws():
private_key, app_id = get_key_and_app_from_aws()
payload = {
"iat": int(time.time()) - 60,
"exp": int(time.time()) + (10 * 60),
"iss": app_id,
}
encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
installation_id = get_installation_id(encoded_jwt)
return get_access_token(encoded_jwt, installation_id)
def _exec_get_with_retry(url):
for i in range(MAX_RETRY):
try:
response = requests.get(url)
response.raise_for_status()
return response.json()
except Exception as ex:
print("Got exception executing request", ex)
time.sleep(i + 1)
raise Exception("Cannot execute GET request with retries")
WorkflowDescription = namedtuple('WorkflowDescription',
['run_id', 'status', 'rerun_url', 'cancel_url'])
def get_workflows_description_for_pull_request(pull_request_event):
head_branch = pull_request_event['head']['ref']
print("PR", pull_request_event['number'], "has head ref", head_branch)
workflows = _exec_get_with_retry(API_URL + f"/actions/runs?branch={head_branch}")
workflow_descriptions = []
for workflow in workflows['workflow_runs']:
if workflow['workflow_id'] in NEED_RERUN_OR_CANCELL_WORKFLOWS:
workflow_descriptions.append(WorkflowDescription(
run_id=workflow['id'],
status=workflow['status'],
rerun_url=workflow['rerun_url'],
cancel_url=workflow['cancel_url']))
return workflow_descriptions
def get_workflow_description(workflow_id):
workflow = _exec_get_with_retry(API_URL + f"/actions/runs/{workflow_id}")
return WorkflowDescription(
run_id=workflow['id'],
status=workflow['status'],
rerun_url=workflow['rerun_url'],
cancel_url=workflow['cancel_url'])
def _exec_post_with_retry(url, token):
headers = {
"Authorization": f"token {token}"
}
for i in range(MAX_RETRY):
try:
response = requests.post(url, headers=headers)
response.raise_for_status()
return response.json()
except Exception as ex:
print("Got exception executing request", ex)
time.sleep(i + 1)
raise Exception("Cannot execute POST request with retry")
def exec_workflow_url(urls_to_cancel, token):
for url in urls_to_cancel:
print("Post for workflow workflow using url", url)
_exec_post_with_retry(url, token)
print("Workflow post finished")
def main(event):
token = get_token_from_aws()
event_data = json.loads(event['body'])
print("Got event for PR", event_data['number'])
action = event_data['action']
print("Got action", event_data['action'])
pull_request = event_data['pull_request']
labels = { l['name'] for l in pull_request['labels'] }
print("PR has labels", labels)
if action == 'closed' or 'do not test' in labels:
print("PR merged/closed or manually labeled 'do not test' will kill workflows")
workflow_descriptions = get_workflows_description_for_pull_request(pull_request)
urls_to_cancel = []
for workflow_description in workflow_descriptions:
if workflow_description.status != 'completed':
urls_to_cancel.append(workflow_description.cancel_url)
print(f"Found {len(urls_to_cancel)} workflows to cancel")
exec_workflow_url(urls_to_cancel, token)
elif action == 'labeled' and 'can be tested' in labels:
print("PR marked with can be tested label, rerun workflow")
workflow_descriptions = get_workflows_description_for_pull_request(pull_request)
if not workflow_descriptions:
print("Not found any workflows")
return
sorted_workflows = list(sorted(workflow_descriptions, key=lambda x: x.run_id))
most_recent_workflow = sorted_workflows[-1]
print("Latest workflow", most_recent_workflow)
if most_recent_workflow.status != 'completed':
print("Latest workflow is not completed, cancelling")
exec_workflow_url([most_recent_workflow.cancel_url], token)
print("Cancelled")
for _ in range(30):
latest_workflow_desc = get_workflow_description(most_recent_workflow.run_id)
print("Checking latest workflow", latest_workflow_desc)
if latest_workflow_desc.status in ('completed', 'cancelled'):
print("Finally latest workflow done, going to rerun")
exec_workflow_url([most_recent_workflow.rerun_url], token)
print("Rerun finished, exiting")
break
print("Still have strange status")
time.sleep(3)
else:
print("Nothing to do")
def handler(event, _):
main(event)